U. Basaran, and M. Berroth. IEEE International Symposium on Electron Devices for Microwave and Optoelectronic Applications (EDMO), page 189--195. Manchester, UK, (2002)
U. Basaran, and M. Berroth. European Gallium Arsenide and other compound semiconductors application symposium (GAAS), page 437--440. Munich, Germany, Horizon House Publications, (2003)